The Milky Way is even bigger than we thought, a new study has revealed.
Scientists from the European Space Agency spotted the aftermath of three bright explosions echoing through the outer spiral arms of our galaxy.
By measuring the distance to those echoes, they found that the outer arms are actually 10 per cent further away than previously believed.
‘We usually model the Milky Way’s outer arms indirectly based on what we know of how our galaxy rotates, but doing it this way leaves room for error,’ explained Beatrice Vaia of Istituto Nazionale di Astrofisica (INAF), Italy, who led the research.
‘Instead, we did
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